In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Q: Passage: On 11 November, Diversity conducted several hours of signing autographs and posing for photographs with thousands of fans at The Galleria Shopping Centre in Hatfield, Hertfordshire. Afterwards, they hosted a prize-giving ceremony on stage and performed their "Michael Jackson" dance routine. They performed another Michael Jackson tribute at the MOBO award ceremony. Diversity "launched" Christmas at Lakeside on 1 November, where they took two members of the audience on-stage for a dance-off. There was a competition held in November, and a hundred people won a meet and greet with Diversity on 19 November at The Glades in Bromley. On 7 December, Diversity performed on the Royal Variety Performance, hosted in Blackpool and shown on ITV across the UK on 16 December. On the show Got to Dance Warm Up, they presented their Westfield Shopping Centre FlashMob, sponsored by T-Mobile.
 Link Information: none Question: How many times has Royal Variety been on ITV?
A: 
Answer: none